C02F 2209/01
Density
C02F2209/01 (Density) appears on 47 US grants and 63 published applications in this corpus.
Search patents in C02F- Granted patents
- 47
- Published applications
- 63
- Assignees
- 61
- Inventors
- 151
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 5 |
| 2016 | 2 | 4 |
| 2017 | 1 | 4 |
| 2018 | 3 | 4 |
| 2019 | 3 | 4 |
| 2020 | 7 | 3 |
| 2021 | 2 | 2 |
| 2022 | 4 | 5 |
| 2023 | 0 | 5 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and installation for controlled microbiome shift for biomass densification in a biological treatment of a raw influent8 Sep 2026US 12,729,143 B2Newport Corporation
- FOG (fats, oil, or grease) separator apparatus10 Feb 2026US 12,544,691 B2ECO CLARITY Ltd.
- Methods for monitoring marine waterbody sustainability at discharge sites2 Dec 2025US 12,486,189 B2Power and Water Utility Company for Jubail and Yanbu (MARAFIQ)
- Device and method for large-scale flow solidification treatment of dredged sediment in pipeline without yard11 Nov 2025US 12,466,754 B2Anhui Jianzhu University
- Arrangement for treating wastewater5 Nov 2024US 12,134,570 B2
- Dynamic control of lithium production facility using model predictive controller1 Oct 2026US 2026/0297703 A1ExxonMobil Technology and Engineering Company
- Measurement apparatus for and method of dewatered sludge10 Sep 2026US 2026/0265082 A1Senfit Oy
- Water clarification chemical control system26 Mar 2026US 2026/0084989 A1Halliburton Energy Services.Inc.
- Ion extraction column for brine5 Feb 2026US 2026/0035768 A1International Battery Metals, Ltd.
- Chemical composition for increasing density of liquids19 Jun 2025US 2025/0197257 A1
Most cited
By later US patents
- Simultaneous ammonia and fluoride treatment for wastewater27US 6,652,758 B2Ionics, Incorporated · 2003
- Automated effluence conditioning and treatment25US 6,110,382 AUltra Fine, Inc. · 2000
- Water treatment systems and associated methods25US 9,969,638 B2Gradiant Corporation · 2018
- Automated effluence conditioning and treatment apparatus23US 6,315,894 B1Ultra Fine, Inc. · 2001
- Process for removing sulfate from an aqueous salt solution20US 6,478,971 B1Cargill, Incorporated · 2002